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【简答题】
如何将一个文件对象(f)中的数据存放进列表中?
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举一反三
【单选题】Many wild animals are______，we must do something to save them. [ ]
A.
dangerous
B.
in danger
C.
out of danger
D.
danger
【单选题】________we gave him something to eat, he would save it up for his little sister. [ ]
A.
Whatever
B.
However
C.
Whenever
D.
Whichever
【单选题】紫外法测定蛋白含量的波长应为( )
A.
280nm或215/225nm
B.
280nm或340nm
C.
15/225nm或405nm
D.
340nm或405nm
E.
260nm或280nm
【单选题】Many kinds of wild animals are . We must do something to save them.
A.
in fact
B.
on holiday
C.
on time
D.
in danger
【单选题】Everybodyshould do something to save water, for it is in the world.
A.
useless
B.
limited
C.
rich
D.
convenient
【单选题】紫外法测定蛋白含量的波长应为（）
A.
280nm或340nm
B.
280nm或215／225nm
C.
215／225nm或405nm
D.
340nm或405nm
E.
260nm或280nm
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